import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Main5 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        List<Integer> num = new ArrayList<>();
        for (int i = 0; i < n; i++) {
            num.add(in.nextInt());
        }

        for (int i = 0; i < n; i++) {
            System.out.print(countInt(num,i));
        }


    }

    private static int countInt(List<Integer> num, int i) {
        return 0;
    }
}
